Abstract

Abstract The construction of cage-type hydrocarbon scaffolds, potential bioisosteres for benzene, often involves multiple steps, making their selective syntheses challenging. However, by employing a scaffold editing technique that leverages the isomerization of the highly symmetrical cubane as a precursor, these can be synthesized more efficiently with fewer steps. In this study, we present a method for the selective synthesis of semibullvalene-1,3-dicarboxylic acid with a good yield, starting from dimethyl cubane-1,4-dicarboxylate, using a reaction in hot water.

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